-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, IuCQ8rmJADg6QDyJxKy8hXZXX94xUPLsQgCpqJR3PUxGK91RN7dZC/E+2MjPTsIF qqdwpUmZLLZ4tagB+boOOA== 0000891618-98-000639.txt : 19980217 0000891618-98-000639.hdr.sgml : 19980217 ACCESSION NUMBER: 0000891618-98-000639 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 19980212 SROS: NASD SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: PHARMCHEM LABORATORIES INC CENTRAL INDEX KEY: 0000876645 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-MEDICAL LABORATORIES [8071] IRS NUMBER: 770187280 STATE OF INCORPORATION: CA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: SEC FILE NUMBER: 005-42072 FILM NUMBER: 98535056 BUSINESS ADDRESS: STREET 1: 1505 A OBRIEN DR CITY: MENLO PARK STATE: CA ZIP: 94025 BUSINESS PHONE: 4153286200 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: GRUMMAN HILL INVESTMENTS LP CENTRAL INDEX KEY: 0000777828 STANDARD INDUSTRIAL CLASSIFICATION: [] IRS NUMBER: 061145561 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 181 ELM STREET CITY: NEW CANAAN STATE: CT ZIP: 06840 BUSINESS PHONE: 2039665883 MAIL ADDRESS: STREET 1: 191 ELM STREET CITY: NEW CANAAN STATE: CT ZIP: 06840 SC 13G/A 1 AMENDMENT #5 TO SCHEDULE 13G 1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 5)* PharmChem Laboratories, Inc. ----------------------------------------- (Name of Issuer) Common Stock ----------------------------------------- (Title of Class of Securities) 717133 10 2 ----------------------------------------- (CUSIP Number) *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). Page 1 of 6 Pages 2 CUSIP NO. 717133 10 2 13G PAGE 2 OF 6 PAGES 1 NAME OF REPORTING PERSON S.S OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Grumman Hill Investments, L.P. 06-1145561 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware 5 SOLE VOTING POWER 0 Common Shares NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY 535,545 Common Shares OWNED BY EACH REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH 0 Common Shares 8 SHARED DISPOSITIVE POWER 535,545 Common Shares 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 535,545 Common Shares 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES * 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 9.3% 12 TYPE OF REPORTING PERSON* PN *SEE INSTRUCTION BEFORE FILLING OUT! Page 2 of 6 pages 3 CUSIP NO. 717133 10 2 13G PAGE 3 OF 6 PAGES 1 NAME OF REPORTING PERSON S.S OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Richard D. Irwin ###-##-#### 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION USA 5 SOLE VOTING POWER 98,166 NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY 555,545 OWNED BY EACH REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH 98,166 8 SHARED DISPOSITIVE POWER 555,545 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 653,711 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES * 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 11.4% 12 TYPE OF REPORTING PERSON* IN *SEE INSTRUCTION BEFORE FILLING OUT! Page 3 of 6 pages 4 Item 1 (a) Name of Issuer: PharmChem Laboratories, Inc. (b) Address of Issuer's Principal Executive Offices: 1505-A O'Brien Drive Menlo Park, CA 94025 Item 2 (a) Name of Person Filing: I. Grumman Hill Investments, L.P. II. Richard D. Irwin (b) Address of Principal Business Office or, if none, Residence: Grumman Hill Associates Inc. 191 Elm Street New Canaan, CT 06840 (c) Citizenship: I. Formed in the State of Delaware II. United States of America (d) Title of Class of Securities: Common Stock (e) CUSIP No.: 717133 10 2 Item 3 Type of Filing: Not applicable Item 4 Ownership (a) Amount Beneficially Owned: I. 535,545 Common Shares II. 653,711 Common Shares (including 44,166 common shares to which there is a right to acquire within 60 days of 12/31/97) (b) Percent of Class: I. 9.3% II. 11.4% Page 4 of 6 Pages 5 Item 2 (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: I. 0 Common Shares II. 98,166 Common Shares (ii) shared power to vote or to direct the vote: I. 535,545 Common Shares II. 555,545 Common Shares (iii) sole power to dispose or to direct the disposition of: I. 0 Common Shares II. 98,166 Common Shares (iv) shared power to dispose or to direct the disposition of: I. 535,545 Common Shares II. 555,545 Common Shares Item 5 Ownership of Five Percent or Less of a Class: Not applicable. Item 6 Ownership of More Than Five Percent on Behalf of Another Person: Not applicable. Item 7 Identification and Classification of Subsidiary which Acquired the Security Being Reported on by the Parent Holding Company: I. Not applicable. II. Not applicable. Item 8 Identification and Classification of Members of the Group: Not applicable. Item 9 Notice of Dissolution of Group: Not applicable. Item 10 Certification: See Page 6 Page 5 of 6 Pages 6 Item 10 Certification The following certification shall be included if the statement is filed pursuant to Rule 13d-1(b): By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired in the ordinary course of business and were not acquired for the purpose of and do not have the effect of changing or influencing the control of the issuer of such securities and were not acquired in connection with or as a participant in any transaction having such purposes or effect. SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. February 13, 1998 ------------------------------ Date /s/ RICHARD D. IRWIN ------------------------------ Signature Richard D. Irwin, Manager ------------------------------ Name/Title Grumman Hill Company, L.L.C. General Partner Grumman Hill Investments, L.P. February 13, 1998 ------------------------------ Date /s/ RICHARD D. IRWIN ------------------------------ Signature Richard D. Irwin ------------------------------ Name/Title -----END PRIVACY-ENHANCED MESSAGE-----